06/05/13
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph: 800-526- 0288
Page
105
of
112
GF-115-C
Modulex E8 Controller and BCM
Operations and Maintenance Manual
OMM-0084_0D
10.2.1 E8 Controller Fault Codes
The table below lists the fault codes and fault descriptions associated with the E8 Controller.
Table 10-2: E8 Controller Fault Codes
FAULT CODE
FAULT DESCRIPTION
PCB Element Fault
E 1
High limit thermostat
E 2
Supplier low gas pressure
E 4
Flame absence during ignition time
E 5
Flame absence during operation time
E 6
High temperature of element (> 203°F)
E 8
Low water pressure (only with SensorLogic)
E 10
Local PCB failure
E 11
Flame presence before ignition cycle
E 12
Local flow sensor failure
E 13
Auxi liary sensor failure (DHW)
E 14
Global return sensor failure
E 15
Difference between global return sensor and local flow sensor > di 86°F (rp +10)
E 16
Low temperature: risk of freeze
E 20
Flame present after burner switching off
E 22
Air pressure switch does not commute within 30 sec. in the ignition cycle
E 23
Air pressure switch always active
E 24
Fan out of control:
doesn’t achieve correct speed within 30 sec. of ignition cycle start
E 26
Fan out of control: do not stop within 30 s ec. from the stop of the burner
E 27
Air pressure switch detect a technical fault during the ignition time
E 30
Parameters setting alteration
E 32
Electrical supplier < 108 Vac
E 40
Low system flow rate (only with SensorLogic)
E 41
Presence of air in the pump (only with SensorLogic)
E 42
Pump blocked (only with SensorLogic)
E 43
Pump wire failure (only with SensorLogic)
System Manager Fault – Sensor Defective (break/short circuit)
E 69
E8: F5 – flow sensor HC2
E 70
E8: F11 – flow sensor HC1
E 71
E8: F1 – buffer storage tank low sensor
E 72
E8: F3 – buffer storage tank top sensor
E 75
E8: F9 – outdoor sensor
E 76
E8: F6 – storage tank sensor
E 78
E8: F8 – boiler sensor
E 80
E8: F2 – room sensor HC1
E 83
E8: F15 – room sensor HC2
E 135
F12: HW Storage Tank Low Sensor, Multi-Function 2
E 136
F13: (PT1000): HS2, Collector 2, Multi-Function 3
E 137
F14: (PT1000): Collector 1, Multi-Function 4
E 138
F15 – room temperature HC2
Table 10-2: E8 Controller Fault Codes
(Continued)
